AsystemadministratorhasjustfinishedupgradingasystemtoAIX5.2.Iftherearefutureproblems，thesystemadministratorwouldliketoaddanentrytotheAIXerrorlogtorecordthisevent.Whichofthefollowingcommandscanbeissuedforthispurpose？（）A./usr/bin/errmsgSystemupgradedtoAIX5.2B./usr/bin/errlogSystemupgradedtoAIX5.2C./usr/bin/errupdateSystemupgradedtoAIX5.2D./usr/bin/errloggerSystemupgradedtoAIX5.2
AsystemadministratorhasjustfinishedupgradingasystemtoAIX5.2.Iftherearefutureproblems，thesystemadministratorwouldliketoaddanentrytotheAIXerrorlogtorecordthisevent.Whichofthefollowingcommandscanbeissuedforthispurpose？（）
A./usr/bin/errmsg"SystemupgradedtoAIX5.2"
B./usr/bin/errlog"SystemupgradedtoAIX5.2"
C./usr/bin/errupdate"SystemupgradedtoAIX5.2"
D./usr/bin/errlogger"SystemupgradedtoAIX5.2"